If BCH is so good, why they don't switch from Proof of Work to something else? You don't like Proof of Work in BTC, but like it in BCH? Also, you have a lot of coins with other consensus, if something other than Proof of Work is so good, why they are not as successful as Bitcoin? And even if they are less known, why you want to change the way BTC works instead of selling your BTC and buying some other coin that works the way you want? If there is no such coin, you are free to create it, in this way you will learn the hard way, why other consensus are worse.

I think that any consensus other than Proof of Work can be reduced to "obscured Proof of Work", it is well explained for example here: https://www.truthcoin.info/blog/pow-cheapest/ and if that's the case, then there is no reason to switch to something else.